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Getting started

This guide provides an overview of how the Spirit LoRaWAN Radon Detector works, including the principles behind radon detection and the additional sensors included in the device.

What is Radon?​

Radon is a naturally occurring radioactive gas that is produced from the decay of uranium found in soil, rock, and water. It is colorless, odorless, and tasteless, making it undetectable by human senses. Radon can accumulate in buildings, particularly in lower areas such as basements and ground floors, where it can pose health risks to occupants.

Measuring Radon is different!

You might be familiar with other environmental sensors that provide real-time data, such as temperature or humidity sensors. However, radon measurement is different due to the following reasons:

  1. Integration period - Radon levels are typically measured over longer periods (e.g., days, weeks, or months) to obtain an accurate average concentration. Short-term measurements can be misleading due to fluctuations in radon levels caused by environmental factors.
  2. Statistical nature - Radon detection relies on counting the number of radioactive decay events, which are random and follow a statistical distribution. This means that the accuracy of radon measurements improves with longer measurement times and higher counts. Always consider the uncertainty or confidence interval provided with radon measurements.
  3. Health guidelines - Radon levels are often compared to health guidelines or action levels set by organizations such as the World Health Organization (WHO) or the Environmental Protection Agency (EPA). These guidelines are based on long-term exposure risks rather than short-term fluctuations.

Other sensors​

In addition to radon, the Spirit LoRaWAN Radon Detector also measures temperature, humidity and pressure. These additional parameters can help you understand the environmental conditions that may influence radon levels and ensure the device is functioning correctly.

Next steps​